Study aim: Comparative investigation between the effectiveness of aromatherapy with Lavandula angustifolia and counselling based on Mindfulness-based Cognitive Therapy for sexuality (MBCT-S) on the sexual function of married women in reproductive age Design: A clinical trial consisting of two intervention groups and a control group, with parallel groups, on 60 married women. Random allocation software is used for randomization. Settings and conduct: Aromatherapy group: daily use of lavender essential oil Sexual counseling group with mindfulness-based cognitive therapy approach: 8 sessions of group counselling Participants/Inclusion and exclusion criteria: Inclusion criteria :Women 18-49 years ,Married ,Being sexually active Exclusion criteria :Happening of major stress during 3 month ago, Smelling disorder, Pregnancy, Sensitivity to lavender essential oil, Digestive disorders, Absence of the spouse Intervention groups: 1. Aromatherapy group: 2-3 drops of lavender essential oil are poured daily on a napkin daily and inhaled from a distance of 20 cm. 2. Sexual counseling group with mindfulness-based cognitive therapy approach: In 8 sessions of 120 minutes (one session per week), they will receive group sexual counseling with mindfulness-based cognitive therapy approach. 3. Control group: no intervention. Main outcome variables: The rate of sexual function